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Type B blood types should avoid foods with sunflower seeds or nuts. They should eat plenty of fish. They should avoid shellfish. Dairy food's are good for those with type B blood.
According to nutritional research, once you've established your blood type, you can find which foods are best for your body and which foods to avoid. Certain foods can slow the metabolism or cause digestive upset if they don't align with the person's blood type.
Blood type A people are just the opposite of Blood type O people. You should avoid foods high in fat and eat low fat foods and eat more plant based type foods in your diet.
A person with blood type A negative should eat primarily vegetables, seafood, legumes, and grains. They should avoid meats (especially red meat) and dairy products.
You should be tested by an allergist so you are aware of the specific foods you are allergic to. Those are the foods you should always avoid.
I do not know what type of foods should be avoided for O blood types. I have O type blood and I don't avoid any particular foods. I enjoy all different varieties of food. I don't think I should eat more acidic food rather than alkaline based foods.
A person with type B blood should typically eat a balanced diet. Although there are certain foods to avoid, such as: corn, wheat, buckwheat, lentils, tomatoes, peanuts and sesame seeds. These foods slow down the digestion process.
Generally speaking, you should avoid foods with a high fat and sodium and cholesterol content. Try foods like fish, grains, and beans and avoid things like dairy and cheese.
Healthline.com carries a list of foods appropriate for those with type A blood. Protein powder supplement is good for those with type A blood. They should eat plenty of vegetables and avoid red meat.
You should try to avoid sweet foods such as chocolate
There aren't specific foods that are best or worst for your blood type. If you're concerned, you could speak with your doctor about whether or not you should avoid some.